Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Margaret Forsythe Sosnaud

Individual provider Marriage & Family Therapist · NPI 1649903220

Margaret Forsythe Sosnaud is a Marriage & Family Therapist in Mill Valley, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2022

Practice location Address checks out

333 Miller Ave Ste 2
Mill Valley, CA 94941-2894
Phone: (415) 690-9668
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3702 Sacramento St, San Francisco, CA 94118-1740 — (415) 690-9668

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 141047 (CA)

Record details

NPI number1649903220
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJuly 1, 2022
Last updated in NPPESMay 13, 2024
Certification dateMay 13, 2024

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